linux-kernel - Re: possible migration bug with hotplug cpu

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Date:	Thu, 9 Jul 2009 14:55:21 +0200
From:	Lucas De Marchi <lucas.de.marchi@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: possible migration bug with hotplug cpu

On Thu, Jul 9, 2009 at 14:24, Peter Zijlstra<peterz@...radead.org> wrote:
> One of the things I have wanted to do for a long time is to rename
> sched_entity to sched_fair_entity, and do something like:
>
> struct sched_entity {
>        struct sched_common_entity       common;
>
>        union {
>                struct sched_fair_entity fair;
>                struct sched_rt_entity   rt;
>        };
> };
>
> I imagine we can add struct sched_statistics to the end of this as well.
>
> The reason I haven't come around to doing this is that it takes a bit of
> time to refactor the code and find all the common bits. So its been on
> my todo list like forever.
>
> Can I persuade you to look at this? :-)

It looks like a very good idea. As you told, it will take a time to refactor
the code. I can look at this, but only on the end of next week.

> I'll queue the below, can I add:
>
> Signed-off-by: Lucas De Marchi <lucas.de.marchi@...il.com>
>
> ?

Sure. I'm not very habituated yet with it... do I re-send the email
or you add it by yourself?

thanks

Lucas De Marchi
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